The Mary­land Zoo in Bal­ti­more

More than 1,500 an­i­mals pop­u­late this Druid Hill Park menagerie founded in 1876. Among the lions, cheetahs and bears liv­ing in the third-oldest zoo in the U.S. ? East­ern hell­ben­der sala­man­ders, li­on­head rab­bits and African pen­guins. Now, bob­cats take up res­i­dence. Six-year-old Josie (above) and kit Kil­gore scam­per through their new home in the Mary­land Wilder­ness, next door to the North Amer­i­can river ot­ter. $18. www.mary land­zoo.org. Druid Hill Park, 443.552.5296.